Given the following data, what is the weighted average cost of ending inventory for a periodic inventory system rounded to the nearest whole dollar? (Do not round in the process of your calculations, only round your final answer.) Sales revenue Beginning inventory Purchases 100 units at $15 per unit 40 units at $9 per unit 80 units at $10 per unit O A. $180 B. $300 OC. $193 OD. $200 Click to select your